Anker 621 Power Bank (Built-In USB-C Connector, 22.5W) User Guide (A1648)

Checking the Battery Level

Press the button to check the battery level.

Charging Your Devices

Note: Due to the foldable design of the USB-C connector, we sugggest holding both the phone and power
bank while charging.


Recharging Your Power Bank

Simultaneous Charging and Recharging

The power bank can recharge and charge other devices at the same time.


Specifications

Cell Capacity

5,000mAh

USB-C Input

5V 3A / 9V 2A

USB-C Output

5V 3A / 9V 2.22A / 10V 2.25A

Total Output

18W Max

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Anker 621 Power Bank (Built-In USB-C Connector, 22.5W) User Guide (A1648)
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FAQ
All FAQ
Why Does My Power Bank Stop Charging My Device at 80%?
20834 views4 likes/2025-04-07 18:26:12
How Can I Charge Low-Current Devices Such as Headphones?
21103 views7 likes/2025-04-18 14:03:20
Power Bank Safety Guide
6639 views1 likes/2026-03-31 09:43:47
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